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JPL Small-Body Database Browser
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146511 (2001 SE81)
Classification: Main-belt Asteroid          SPK-ID: 2146511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333643622345144 5.5164e-08  
a 2.60822825487596 1.8594e-08 au
q 1.999560731614791 1.5306e-07 au
i 3.898803687447521 6.4089e-06 deg
node 199.7228546902127 5.6526e-05 deg
peri 226.1855555127308 5.8642e-05 deg
M 5.024921344115809 1.522e-05 deg
tp 2458579.024485011630
(2019-Apr-05.52448501)
6.4899e-05 TDB
period 1538.568440452593
4.21
1.6453e-05
4.505e-08
d
yr
n .2339837413369149 2.5021e-09 deg/d
Q 3.216895778137129 2.2933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      6371 days (17.44 yr)  
   first obs. used      2001-08-12  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:45:56  

Additional Information
 Earth MOID = 1.01518 au 
 Jupiter MOID = 2.11563 au 
 T_jup = 3.369 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO453930  

146511 (2001 SE81)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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